丁基

Finally, N ethey[3,3 dimethyl spiralindoline naphthoxazine]was synthesized by the addition of 1 nitroso 2 naphthol also,the photochromic mechanism of the substance and its photochromic phenomenon in ethanol were studied.

报道了以苯肼和 3 甲基 2 丁酮为原料首先合成 2 ，3 ，3 三甲基吲哚，吲哚再与碘乙烷亲核取代，碱化得费舍尔碱，最后与 1 亚硝基 2 萘酚作用合成N 乙基 [3 ，3 二甲基螺吲哚啉萘并恶嗪 ]的全过程，并研究了该物质的变色机理以及在乙醇溶剂中的光致变色现

Buna-N should not be used in highly polar solvents such as acetone and methyl ethyl ketone, nor should it be used in chlorinated hydrocarbons, ozone or nitro hydrocarbons.

Buna-N不能用于高极性溶剂，如丙酮和丁酮，也不能用于氯代烃类，臭氧或硝基烃类。

The experimental results show that the composite emulsion of nitrocellulose -alkyd resin acrylate, which is prepared by modifying the nitrocellulose with non -drying or alkyd resin, methyl methacrylate and butyl acrylate monomer under the optimized experimental conditions have good stability and excellent performance.

实验结果表明，以不干性油醇酸树脂、甲基丙烯酸甲酯和丙烯酸丁酯单体为主要原料，在优化的实验条件下对硝基纤维素进行改性，可制得稳定性好的硝化纤维素-醇酸树脂-丙烯酸酯复合乳液。

Cuttings of mulberry stems were treated with indolebutyric acid and then cultured under the condition of average water temperature 24.5℃ and average air temperature 28.8℃. On the 25th day after the cuttings were treated, the rooting rates of the cultivars Kangqing No.

桑树硬枝插穗基部经吲哚丁酸处理后在自然平均水温245℃、气温288℃条件下进行水培扦插，第25d后抗青10号、剑持、黑油桑、桐乡青的发根率分别为100％、70％、70％和233％。

It was expressed as inclusion body and was purified by Ni-NTA Column Affinity Chromatography under denaturing conditions. The inclusion body was then refolded by two different ways, both of which can produce activated enzyme.

在变性条件下，包涵体经镍次氮基三乙酸柱层析纯化，并以两种不同的方法进行复性，均可获得具有活性的HaSNPV几丁质酶。

Abstract］ Objective To evaluate the effects of ulinastatin on proinflammatory cytokines and oxygen free radical during orthotopic liver transplantation.

摘要］ 目的评价蛋白酶抑制剂乌司他丁（ulinary trypsin inhibitor，UTI）对原位肝移植术（orthotopic liver transplantation，OLT）中血浆促炎性细胞因子和氧自由基代谢水平的影响。

Abstract］ Objective To evaluate the effects of ulinastatin on proinflammatory cytokines and oxygen free radical during orthotopic liver transplantation.

摘要］ 目的评价蛋白酶抑制剂乌司他丁（ulinary trypsin inhibitor，UTI）对原位肝移植术（orthotopic liver transplantation，OLT）中血浆促炎性细胞因子和氧自由基代谢水平的。

The basic Kfir was soon fitted with the Martin-Baker Mk MJ6 zero/zero ejector seat, with other changes it came the Kfir C2 type with the small canard foreplanes.

&幼狮&基型很快换装了马丁·贝克公司的MK MJ6零零弹射座椅，同时加装了小型切尖三角鸭式前翼，改称C2型。

There, he met other artists who had distanced themselves from the front, such as Archipenko, Foujita, Kisling, Soutine as well as the painter Gaston Modot.

在那里，他会合了其它因战争而离开巴黎的艺术家，如阿基本科、藤田嗣治、基思林、苏丁等。还有画家加斯顿莫笃。

Circuit Judge Karen Lecraft Henderson—appointed by George HW Bush to fill the seat vacated by Kenneth W. Starr in 1990—issued a 43-page opinion disposing of each claim on the most reactionary grounds possible.

巡回法院法官卡伦lecraft恒基委任老布什，以填补悬空的议席由丁小Starr系，在1990年发表了一份43页的意见处置每声称对最反动的理由。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。